编译应用程序，出现动态链接库错误

i_am_canoe

编译应用程序出现下面提示，是什么原因，为什么呢，而且libwtc8.so有这个文件，也有　读的权限，啥回事呢，怎么解决？
/usr/i386-glibc-2.1-linux/i386-glibc21-linux/bin/ld: warning: libwtc8.so, needed by /u01/app/oracle/product/8.1.7/lib/libclntsh.so, not found (try using -rpath or -rpath-link)
/lib/libc.so.6: undefined reference to `_dl_lookup_versioned_symbol_skip@GLIBC_PRIVATE'
/lib/libc.so.6: undefined reference to `_rtld_global@GLIBC_PRIVATE'
/lib/libc.so.6: undefined reference to `_dl_lookup_versioned_symbol@GLIBC_PRIVATE'
/lib/libc.so.6: undefined reference to `_dl_start_profile@GLIBC_PRIVATE'
/lib/libc.so.6: undefined reference to `_dl_check_map_versions@GLIBC_PRIVATE'
/lib/libc.so.6: undefined reference to `__libc_enable_secure@GLIBC_PRIVATE'
/lib/libc.so.6: undefined reference to `_dl_get_origin@GLIBC_PRIVATE'